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Is there a decorator to simply cache function return values?
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Starting from Python 3.2 there is a built-in decorator:
@functools.lru_cache(maxsize=100, typed=False)
Decorator to wrap a function with a memoizing callable that saves up to the maxsize most recent calls. It can save time when an expensive or I/O bound func...
Requirejs domReady plugin vs Jquery $(document).ready()?
...ize something on DOM ready. Now, RequireJS provides the domReady plugin , but we already have jQuery's $(document).ready() , which is available to me since I have required jQuery.
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Using curl POST with variables defined in bash script functions
...d to pass the quotes enclosing the custom headers to curl. Also, your variables in the middle of the data argument should be quoted.
First, write a function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read an...
How can I do a line break (line continuation) in Python?
I have a long line of code that I want to break up among multiple lines. What do I use and what is the syntax?
10 Answers
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The function to show current file's full path in mini buffer
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It's the built-in function buffer-file-name that gives you the full path of your file.
The best thing to do is to have your emacs window to always show your system-name and the full path of the buffer you're currently editing :
(set...
Structure padding and packing
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Padding aligns structure members to "natural" address boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
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How to remove specific elements in a numpy array
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Use numpy.delete() - returns a new array with sub-arrays along an axis deleted
numpy.delete(a, index)
For your specific question:
import numpy as np
a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]
new_a = np.delete(a, index)
print(new_a) #Prints `[1, 2, ...
Insert line after first match using sed
... reason I can't seem to find a straightforward answer to this and I'm on a bit of a time crunch at the moment. How would I go about inserting a choice line of text after the first line matching a specific string using the sed command. I have ...
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Drop multiple tables in one shot in mysql
How to drop multiple tables from one single database at one command.
something like,
4 Answers
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What does “use strict” do in JavaScript, and what is the reasoning behind it?
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This article about Javascript Strict Mode might interest you: John Resig - ECMAScript 5 Strict Mode, JSON, and More
To quote some interesting parts:
Strict Mode is a new feature in ECMAScript 5 that allows you to place a program, or a...